Linn AV Loudspeaker manual Adjusting the output impedance, Protecting the speaker

Page 37

Adjusting the output impedance

The four switches of the right-hand bank control the power amplifier output impedance, to increase or reduce the damping of the loudspeaker drive units. A larger room will often require more bass damping.

Impedance	Setting
0Ω
0Ω	1			2		3		4		5		6		7		8
	1			2		3		4		5		6		7		8
-0.5Ω



	1			2		3		4		5		6		7		8
	1			2		3		4		5		6		7		8
-1Ω



	1			2		3		4		5		6		7		8
	1			2		3		4		5		6		7		8
-1.5Ω



	1			2		3		4		5		6		7		8
	1			2		3		4		5		6		7		8
-2Ω



	1			2		3		4		5		6		7		8
	1			2		3		4		5		6		7		8

Note that decreasing the impedance increases the damping.

Protecting the speaker

Switch 6 brings a soft clipper into the bass circuit path. Use this if you frequently play the system very loud. It allows very impressive sound effects while protecting the drive units against extreme overdrive.

Setting	Setting
No clipping
No clipping	1			2		3		4		5		6		7		8
	1			2		3		4		5		6		7		8
High level



	1			2		3		4		5		6		7		8
	1			2		3		4		5		6		7		8
clipping

Inverting the phase response

Switch 7 inverts the phase response. Use this if the main system power amplifier or speakers are inverting. It may also give better results if the 5150 is at the opposite end of the room from the main speakers.

Phase response	Setting
Inverted
Inverted	1			2		3		4		5		6		7		8
	1			2		3		4		5		6		7		8
Normal



	1			2		3		4		5		6		7		8
	1			2		3		4		5		6		7		8

s e t t i n g u p t h e AV 5 1 5 0

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Contents N n a V L o u d s p e a k e r U s e r ’ s G u i d e Page E f a c e Important safety informationE f a c e General Safety InstructionsIii Replacing the fuse Switching the product on and off standby operationMains voltage operating range Positioning the products and heatDeclaration of Conformity T r o d u c t i o n N t e n t sT r o d u c t i o n T r o d u c t i o nLinn AV System AV 5103 System ControllerU c t i o n AV 5105 Stereo Power AmplifierAV 5101 Personal Handset T rAV 5120 Compact Loudspeaker AV 5140 Floor- Standing LoudspeakerAV 5110 Local Loudspeaker T r o d u c t i o nAV 5150 Active Isobarik Bass Speaker … Making it real About the AV 5105 Stereo Power Amplifier Using the AV 5140s as front loudspeakers Using the AV 5140 and AV 5120 loudspeakersUsing a pair of AV 5120 loudspeakers as main loudspeakers I n g t h e a V l o u d s p e a k e r sI n g t h e AV l o u d s p e a ke rs I n g t h e AV l o u d s p e a ke rs Using the AV 5150 Active Isobarik Bass LoudspeakerUsing the AV 5110 Local Loudspeaker T t i n g u p t h e AV 5 1 4 0 a n d AV 5 1 2 T t i n g u p t h e a V 5 1 4 0 a n d a V 5 1 2P a c k i n g Positioning AV 5140 loudspeakersAdjusting the feet Using the AV 5140 loudspeakers with a centre loudspeakerT t i n g u p t h e AV 5 1 4 0 a n d AV 5 1 2 Positioning the AV 5140 loudspeakers near a televisionPositioning the AV 5120 loudspeaker Using the AV 5120 as a centre loudspeakerWall mounting with a Brakit Using bare wires Connecting the AV 5140 or AV 5120 loudspeakersInstalling the linking plates Single-wiring Bi-wiring or bi-ampingTri-wiring or tri-amping Clean the loudspeakers like this Removing the grilles and cleaningLoudspeakers T t i n g u p t h e AV 5 1 1 T t i n g u p t h e a V 5 1 1Positioning AV 5110 loudspeakers Wall mounting T t i n g u p t h e AV 5 1 1Painting the AV Removing the grillesBare wires Connecting the AVAV 5 1 5 T t i n g u p t h e a V 5 1 5S i t i o n i n g Fitting the castersHiding the cables T t i n g u p t h e AV 5 1 5Removing the base T t i n g u p t h e AV 5 1 5Connecting the mains supply Connecting the AV 5150 Active Isobarik Bass SpeakerConnecting the AV 5150 to a stereo preamplifier Connecting to the AV 5103 System ControllerAdditional wiring to the AV Adjusting the frequency response Adjusting the AVRemoving the panel Inverting the phase response Adjusting the output impedanceProtecting the speaker Varying the gain E r v i c e A r a n t e e a n d s e r v i c eC h n i c a l i n fo r m a t i o n C h n i c a l i n f o r m a t i o nAV 5140 Front Loudspeaker AV 5120 Compact Loudspeaker C h n i c D e D eGrilles, removing D e

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